INDEX 



513 



PAGE 



Width of tires 452 



Windmills 298 



classification 303 



development of present-day .... 298 



early history 298 



economic considerations of 314 



erecting 313 



gearing 307 



home-made 299 



power 316 



power of 308 



tests of 309 



turbine 303 



the use of the 303 



Wind stacker or blower 215 



Wind wheels 304 



efficiency 307 



PAGE 



Wind wheels, regulation 306 



Wire belt lacing 31 



Wire table, copper 498 



Wiring calculations for a motor. . 494 



Women, labor of 4 



Wood, Jethro 54 



Wood 43, 347 



and cob burners 326 



Wooden pumps 263 



Work, best conditions for 293 



definition of 10 



division of 294 



the horse at 291 



unit of ii 



Working day, length of 5 



effect of length of 294 



